Synthesis of hexagonal boron nitride: From bulk crystals to atomically thin films

IF 4.5 2区 材料科学 Q1 CRYSTALLOGRAPHY
J. Marcelo J. Lopes
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引用次数: 21

Abstract

Hexagonal boron nitride (h-BN) is a wide band gap layered material that is promising for a plethora of applications ranging from neutron detection to quantum information processing. Moreover, it has become highly relevant in the field of two-dimensional crystals and their van der Waals heterostructures due to its multiple functionality as substrate, encapsulation layer, tunneling barrier, or dielectric layer in various device schemes. Hence, controlled synthesis of h-BN has been intensively pursued aiming at its future implementation into different technologies. Herein, recent progress in growth of h-BN, either as bulk crystals or large-area thin films with thicknesses varying from tens of micrometers down to a single atomic layer, is reviewed. A general description of the main methods utilized including their technical aspects is presented in conjunction with the discussion of the material properties determined using well-established characterization tools. Also the main challenges and application prospects of each growth approach are addressed.

六方氮化硼的合成:从块状晶体到原子薄膜
六方氮化硼(h-BN)是一种宽带隙层状材料,从中子探测到量子信息处理等广泛应用前景广阔。此外,由于其在各种器件方案中作为衬底、封装层、隧道势垒或介电层的多种功能,它在二维晶体及其范德华异质结构领域变得高度相关。因此,h-BN的可控合成已被深入研究,旨在其未来在不同技术中的实施。本文综述了氢氮化硼生长的最新进展,无论是作为块状晶体还是从几十微米到单原子层厚度不等的大面积薄膜。所使用的主要方法的一般描述,包括其技术方面,并结合使用完善的表征工具确定的材料特性的讨论。讨论了各种增长方式的主要挑战和应用前景。
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来源期刊
Progress in Crystal Growth and Characterization of Materials
Progress in Crystal Growth and Characterization of Materials 工程技术-材料科学:表征与测试
CiteScore
8.80
自引率
2.00%
发文量
10
审稿时长
1 day
期刊介绍: Materials especially crystalline materials provide the foundation of our modern technologically driven world. The domination of materials is achieved through detailed scientific research. Advances in the techniques of growing and assessing ever more perfect crystals of a wide range of materials lie at the roots of much of today''s advanced technology. The evolution and development of crystalline materials involves research by dedicated scientists in academia as well as industry involving a broad field of disciplines including biology, chemistry, physics, material sciences and engineering. Crucially important applications in information technology, photonics, energy storage and harvesting, environmental protection, medicine and food production require a deep understanding of and control of crystal growth. This can involve suitable growth methods and material characterization from the bulk down to the nano-scale.
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